USA: Biotech Bugs A Green Way To Dye Jeans Blue?

The process used to dye jeans blue could soon be going green as a result of research work being carried out in California. Scientists at Genencor International in Palo Alto, California have genetically modified bacteria to churn out the indigo pigment used to stain denim - creating an environmentally friendly alternative to commercial indigo dyes, which are made from coal or oil with potentially toxic by-products.

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